  /* body {
    width: 50%;
  height: 50%;
  overflow: auto;
  margin: auto;
  margin-top:40px;
} */
.ant-tabs {
  margin: 40px 50px;
}
h1 {
    text-align: center;
  }
  a {
    text-decoration: none;
    margin-right: 30px;
  }
  .box {
    width: 60%;
    height: 160PX;
    border: 8px solid #000;
    padding: 10px 50px;
    margin: 0 auto;
  }